40221202012 has 24 divisors (see below), whose sum is σ = 71762223456. Its totient is φ = 19718207808.

The previous prime is 40221202009. The next prime is 40221202067. The reversal of 40221202012 is 21020212204.

It is a super-2 number, since 2×40221202012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265638 + ... + 388594.

It is an arithmetic number, because the mean of its divisors is an integer number (2990092644).

Almost surely, 2^40221202012 is an apocalyptic number.

It is an amenable number.

40221202012 is a deficient number, since it is larger than the sum of its proper divisors (31541021444).

40221202012 is a wasteful number, since it uses less digits than its factorization.

40221202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124557 (or 124555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 40221202012 its reverse (21020212204), we get a palindrome (61241414216).

The spelling of 40221202012 in words is "forty billion, two hundred twenty-one million, two hundred two thousand, twelve".